Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham luc » cham soc, nhan luc, cham cuu
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
va tinh » may tinh
sac ky » cac ky
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sac ky) OR (sai ky)) nang xa hoi. hieu ve cham luc ((va hanh) or (va tinh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sac ky) OR (sai ky)) nang xa hoi. hieu ve cham luc ((va hanh) OR (va tinh)) vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sac ky) OR (sai ky)) nang xa hoi. hieu ve cham luc ((va hanh) or (va tinh)) vi cua triet".
• Adding a wildcard symbol may retrieve word variants: te ((sac ky) OR (sai ky)) nang xa hoi. hieu ve cham luc ((va hanh) or (va tinh)) vi cua triet*.